CF5073DX 查看數據表（PDF） - Nippon Precision Circuits

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CF5073DX

VCXO Module ICs with Built-in Varicap

Nippon Precision Circuits  

CF5073 series

SWITCHING CHARACTERISTICS

VDD = 3.0 to 3.6V, VC = 1.65V, VSS = 0V, Ta = –40 to +85°C, unless otherwise noted

Parameter

Symbol

Conditions

Rating1

Unit

Min

Typ

Max

Output rise time

Output fall time

Output duty cycle

Output disable delay time

Output enable delay time

tr1

Measurement circuit 2, load circuit 1,

0.1VDD → 0.9VDD, CL = 15pF

–

2.5

6

ns

tf1

Measurement circuit 2, load circuit 1,

0.9VDD → 0.1VDD, CL = 15pF

–

2.5

6

ns

Duty

Measurement circuit 2, load circuit 1,

VDD = 3.3V, Ta = 25°C, CL = 15pF

40

50

60

%

tPLZ Measurement circuit 5, load circuit 1,

–

tPZL

VDD = 3.3V, Ta = 25°C, CL ≤ 15pF

–

–

100

ns

–

100

ns

1. The switching characteristics apply for normal output waveforms. Note that, depending on the matching of the CF5073 series version and crystal,

normal waveform output may not be continuous.

Current consumption and Output waveform with NPC’s standard crystal

C0

L1 C1 R1

f [MHz]

30

R1 [Ω]

7.06

L1 [mH]

2.25

C1 [fF]

12.5

C0 [pF]

3.11

FUNCTIONAL DESCRIPTION

Standby Function

When INHN goes LOW, the Q output pin becomes high impedance.

INHN

HIGH (or open)

LOW

Q

Any fO, fO/2, fO/4, fO/8, fO/16, or fO/32

High impedance

Oscillator

Operating

Operating

NIPPON PRECISION CIRCUITS INC.—11

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